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Author's title

Author

*The author of this computation has been verified*

R Software Module

rwasp_fitdistrnorm.wasp

Title produced by software

Maximum-likelihood Fitting - Normal Distribution

Date of computation

Tue, 09 Dec 2014 10:37:49 +0000

Cite this page as follows

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2014/Dec/09/t1418121504x8lwjmqq5xtvjp7.htm/, Retrieved Sat, 01 Aug 2026 14:41:14 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=264429, Retrieved Sat, 01 Aug 2026 14:41:14 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

331

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)

-     [Maximum-likelihood Fitting - Normal Distribution] [Intrinsic Motivat...] [2010-10-12 11:57:21] [b98453cac15ba1066b407e146608df68]
- RMP   [Maximum-likelihood Fitting - Normal Distribution] [] [2014-10-14 18:01:50] [32b17a345b130fdf5cc88718ed94a974]
-   PD      [Maximum-likelihood Fitting - Normal Distribution] [] [2014-12-09 10:37:49] [a9a71eb17c5e64a5660208fb3c309b9e] [Current]

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Dataseries X:

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Histogram

Boxplots

3,35
3,65
3,35
3,15
3,35
2,9
3,25
3,95
2,7
3,35
3,85
2,4
3,25
2,9
3,45
4,05
3,6
3,15
3,15
3,5
3,85
3,35
3,4
3,85
3,85
4
2,85
3,45
3
2,3
2,95
3,25
2,9
3,45
3,4
2,95
3,4
3,2
3,55
3,6
2,35
3,1
4,1
2,3
3,4
3,5
3,15
3,2
4,55
3,8
3,3
3,05
2,15
3,6
3,1
3,8
3,45
3,25
3
3,3
3,2
3,6
4,1
2,65
3,4
2,5
3,7
4,05
2,4
2,35
3,85
3,5
3,1
3,4
2,75
3,25
3,35
3,7
3,3
3,15
3,05
3,4
2,65
3,6
2,55
3,25
3,05
2,8
4,1
2,8
3,45
2,9
3,3
3,3
2,5
3,05
2,7
3,3
2,8
3,25
4,1
3,25
2,65
3,3
3,4
3,4
3,4
3,35
2,95
3,6
3,65

Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	1 seconds
R Server	'Sir Ronald Aylmer Fisher' @ fisher.wessa.net

\begin{tabular}{lllllllll}
\hline
Summary of computational transaction \tabularnewline
Raw Input & view raw input (R code)  \tabularnewline
Raw Output & view raw output of R engine  \tabularnewline
Computing time & 1 seconds \tabularnewline
R Server & 'Sir Ronald Aylmer Fisher' @ fisher.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=264429&T=0

[TABLE]
[ROW][C]Summary of computational transaction[/C][/ROW]
[ROW][C]Raw Input[/C][C]view raw input (R code) [/C][/ROW]
[ROW][C]Raw Output[/C][C]view raw output of R engine [/C][/ROW]
[ROW][C]Computing time[/C][C]1 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'Sir Ronald Aylmer Fisher' @ fisher.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=264429&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=264429&T=0

As an alternative you can also use a QR Code:

The GUIDs for individual cells are displayed in the table below:

Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	1 seconds
R Server	'Sir Ronald Aylmer Fisher' @ fisher.wessa.net

Parameter	Estimated Value	Standard Deviation
mean	3.26531531531532	0.0433079133209874
standard deviation	0.456277179508482	0.0306233191883094

\begin{tabular}{lllllllll}
\hline
Parameter & Estimated Value & Standard Deviation \tabularnewline
mean & 3.26531531531532 & 0.0433079133209874 \tabularnewline
standard deviation & 0.456277179508482 & 0.0306233191883094 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=264429&T=1

[TABLE]
[ROW][C]Parameter[/C][C]Estimated Value[/C][C]Standard Deviation[/C][/ROW]
[ROW][C]mean[/C][C]3.26531531531532[/C][C]0.0433079133209874[/C][/ROW]
[ROW][C]standard deviation[/C][C]0.456277179508482[/C][C]0.0306233191883094[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=264429&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=264429&T=1

As an alternative you can also use a QR Code:

The GUIDs for individual cells are displayed in the table below:

Parameter	Estimated Value	Standard Deviation
mean	3.26531531531532	0.0433079133209874
standard deviation	0.456277179508482	0.0306233191883094

Figure 1

PNG link

Postscript link

PDF link

Parameters (Session):

par1 = 1 2 3 4 5 ;

Parameters (R input):

par1 = 2 ; par2 = 0 ;

R code (references can be found in the software module):

library(MASS)
par1 <- as.numeric(par1)
if (par2 == '0') par2 = 'Sturges' else par2 <- as.numeric(par2)
x <- as.ts(x) #otherwise the fitdistr function does not work properly
r <- fitdistr(x,'normal')
r
bitmap(file='test1.png')
myhist<-hist(x,col=par1,breaks=par2,main=main,ylab=ylab,xlab=xlab,freq=F)
curve(1/(r$estimate[2]*sqrt(2*pi))*exp(-1/2*((x-r$estimate[1])/r$estimate[2])^2),min(x),max(x),add=T)
dev.off()
load(file='createtable')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Parameter',1,TRUE)
a<-table.element(a,'Estimated Value',1,TRUE)
a<-table.element(a,'Standard Deviation',1,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'mean',header=TRUE)
a<-table.element(a,r$estimate[1])
a<-table.element(a,r$sd[1])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'standard deviation',header=TRUE)
a<-table.element(a,r$estimate[2])
a<-table.element(a,r$sd[2])
a<-table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable.tab')

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Input Parameters & R Code